SEATTLE – Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the following roster moves:
- Alex Hoppe (#48), RHP, recalled from Triple-A Tacoma.
- Casey Legumina, RHP, designated for assignment.
The Mariners 40-man roster is now at 39 players.
Hoppe (HOP-ee), 27, will make his MLB debut when he first appears in a game. He has appeared in 8 games with Triple-A Tacoma this season, allowing just 1 unearned run with 12 strikeouts to 3 walks over 8.0 innings pitched. He threw an immaculate inning (1.0 inning, 3 strikeouts on 9 pitches) on April 7 at Sugar Land.
Hoppe was acquired by Seattle on Nov. 18, 2025 from the Boston Red Sox in exchange for minor league catcher Luke Heyman. He has appeared in parts of 4 minor league seasons in the Red Sox (2023-25) and Mariners (2026) systems, going 7-14 with a 4.55 ERA (93 ER, 184.0 IP), 91 walks and 215 strikeouts in 131 career relief appearances. He was originally drafted by the Red Sox in the 6th round of the 2022 MLB First-Year Player Draft out of the University of North Carolina at Greensboro.
Legumina, 28, has appeared in 8 games this season, going 0-1 with a 4.63 ERA (6 ER, 11.2 IP), 3 walks and 9 strikeouts. He tossed 1.0 inning in last night’s game, allowing 3 runs and taking the loss.
The 6-foot-2 right-hander has appeared in 4 Major League seasons with Cincinnati (2023-24) and Seattle (2025-c) making 73 appearances (1 start) going 5-7 with a 5.83 ERA (54 ER, 83.1 IP), 39 walks and 82 strikeouts. He was acquired by the Mariners on Feb. 3, 2025 from the Cincinnati Reds in exchange for cash considerations. The Chandler, Arizona native was originally drafted by the Minnesota Twins in the 8th round of the 2019 MLB First-Year Player Draft out of Gonzaga University (Spokane, WA).